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Density is mass divided by volume. Assuming the mass doesn't change, if the density decreases, then the volume must increase.

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How does the density of a material change when the material expands?

When a material expands, its volume increases while its mass remains constant. This causes the density of the material to decrease because the same mass is now spread out over a larger volume, resulting in a lower density.


What happens when density fluid gets hotter?

When the density of a fluid increases due to heating, the molecules within the fluid move faster and spread further apart, causing the fluid to expand. This expansion leads to a decrease in density, as the same mass now occupies a larger volume.


What happens when the density of a fluid gets hotter?

When the density of a fluid gets hotter, it usually decreases. This is because as the fluid gets hotter, its molecules gain energy and move farther apart, causing the fluid to expand. This expansion leads to a decrease in density.


What happens when the volume gets larger and the mass gets smaller?

When the volume increases and the mass decreases, the density of the object decreases. This means that the object becomes less compact or dense for the given volume. The relationship between volume and mass is important when considering the physical properties of an object.


How is density affected if the volume of an object increases but its mass stays the same?

If the volume of an object increases but its mass stays the same, the density of the object will decrease. This is because density is calculated by dividing mass by volume, so if the volume increases without a corresponding increase in mass, the density will decrease.

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Why does air rise when it is hot?

When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.When air gets hotter, or when any gas gets hotter, it expands. This means its density will decrease; therefore, cooler (and heavier) air will push it up.


What happens to the density of water when it gets cold?

Density increases until 4 degrees of celcius.Then decrease again.


As a cell gets larger its surface area to volume ratio?

... will decrease.


How does the density of a material change when the material expands?

When a material expands, its volume increases while its mass remains constant. This causes the density of the material to decrease because the same mass is now spread out over a larger volume, resulting in a lower density.


What happens when density fluid gets hotter?

When the density of a fluid increases due to heating, the molecules within the fluid move faster and spread further apart, causing the fluid to expand. This expansion leads to a decrease in density, as the same mass now occupies a larger volume.


How does object volume affect buoyancy?

If the mass stays the same, then when an object gets larger, its density decreases. The larger density=the more bouyancy


What happens when the density of a fluid gets hotter?

When the density of a fluid gets hotter, it usually decreases. This is because as the fluid gets hotter, its molecules gain energy and move farther apart, causing the fluid to expand. This expansion leads to a decrease in density.


What happens to a wave when you decrease the wave height?

it gets smaller and then there is no more energy to make it travel